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app.ulesson.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 0

    Best Practices

  • 100

    SEO

    Google-friendlier than
    95% of websites

app.ulesson.com

uLesson | #1 Learning App for Junior & Secondary School Students

Page Load Speed

1.6 sec in total

First Response

174 ms

Resources Loaded

1.4 sec

Page Rendered

50 ms

app.ulesson.com screenshot

About Website

Welcome to app.ulesson.com homepage info - get ready to check App ULesson best content for Cameroon right away, or after learning these important things about app.ulesson.com

uLesson is an Online Learning App for Secondary School Students in Africa. Discover Engaging Quizzes, NECO, JAMB, BECE, Tests & Exams for Junior & Senior Secondary School Students. Download Now.

Visit app.ulesson.com

Key Findings

We analyzed App.ulesson.com page load time and found that the first response time was 174 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

app.ulesson.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value14.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.6 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value1.45

0/100

15%

TTI (Time to Interactive)

Value22.9 s

1/100

10%

Network Requests Diagram

app.ulesson.com

174 ms

app.ulesson.com

314 ms

MathJax.js

227 ms

pusher.min.js

22 ms

katex.css

17 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 92% of them (22 requests) were addressed to the original App.ulesson.com, 4% (1 request) were made to Js.pusher.com and 4% (1 request) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (836 ms) belongs to the original domain App.ulesson.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (73%)

Content Size

2.7 MB

After Optimization

711.7 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of App.ulesson.com main page is 2.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Javascripts take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 11.0 kB

  • Original 16.6 kB
  • After minification 16.4 kB
  • After compression 5.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 11.0 kB or 66% of the original size.

JavaScript Optimization

-73%

Potential reduce by 1.9 MB

  • Original 2.6 MB
  • After minification 2.4 MB
  • After compression 688.6 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.9 MB or 73% of the original size.

CSS Optimization

-78%

Potential reduce by 63.1 kB

  • Original 80.6 kB
  • After minification 80.6 kB
  • After compression 17.5 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. App.ulesson.com needs all CSS files to be minified and compressed as it can save up to 63.1 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (86%)

Requests Now

22

After Optimization

3

  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of App ULesson. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

app.ulesson.com

app.ulesson.com

174 ms

app.ulesson.com

app.ulesson.com

314 ms

MathJax.js

MathJax.js

227 ms

pusher.min.js

pusher.min.js

22 ms

katex.css

katex.css

17 ms

main.26d7fc1d.chunk.css

main.26d7fc1d.chunk.css

382 ms

16.cba73434.chunk.js

16.cba73434.chunk.js

836 ms

main.4e99c17b.chunk.js

main.4e99c17b.chunk.js

762 ms

TeX-AMS_SVG.js

TeX-AMS_SVG.js

76 ms

config.js

config.js

77 ms

config.js

config.js

144 ms

config.js

config.js

155 ms

tex2jax.js

tex2jax.js

219 ms

MathEvents.js

MathEvents.js

304 ms

MathZoom.js

MathZoom.js

229 ms

MathMenu.js

MathMenu.js

382 ms

toMathML.js

toMathML.js

294 ms

noErrors.js

noErrors.js

304 ms

noUndefined.js

noUndefined.js

371 ms

AMSmath.js

AMSmath.js

377 ms

AMSsymbols.js

AMSsymbols.js

379 ms

fast-preview.js

fast-preview.js

446 ms

AssistiveMML.js

AssistiveMML.js

453 ms

accessibility-menu.js

accessibility-menu.js

456 ms

Accessibility Review

app.ulesson.com accessibility score

97

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

SEO Factors

app.ulesson.com SEO score

100

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise App.ulesson.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that App.ulesson.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

app.ulesson.com

Open Graph data is detected on the main page of App ULesson. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: